/*
   Copyright 2009 Abdulla Abdurakhmanov (abdulla@latestbit.com)
   Original sources are available at www.latestbit.com

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package org.latestbit.smartobjects.network;

import java.security.KeyPair;

import org.latestbit.smartobjects.ISmartBus;
import org.latestbit.smartobjects.encrypters.IAsymmetricDataEncrypter;

/**
 * Interface provides access to handshake manager factory
 * @author abdulla-a
 *
 */
public interface IHandshakeManagerFactory {
	/**
	 * Creates a new handshake manager and link it with the specified connection
	 * @param connection network connection
	 * @return handshake manager
	 */
	IHandshakeManager createHandshakeManager ( IConnection connection );
	
	/**
	 * Gets asymmetric data encrypter for handshake manager implementations
	 * @return asymmetric data encrypter
	 */
	IAsymmetricDataEncrypter getAsymmetricDataEncrypter();
	
	/**
	 * Gets the key pair for asymmetric data encrypter
	 * @return public and private keys
	 */	
	KeyPair getKeyPair();

	/**
	 * Gets the connection authenticator
	 * @return connection authenticator
	 */
	IConnectionAuthenticator getConnectionAuthenticator ();
	
	/**
	 * Sets a new implementation of connection authenticator
	 * @param authenticator connection authenticator
	 */
	void setConnectionAuthenticator (IConnectionAuthenticator authenticator);

	/**
	 * Gets the smart bus instance where handshake manager factory registered
	 * @return smart bus instance
	 */
	ISmartBus getBus();
	
	/**
	 * Sets a new handshake manager event listener
	 * @param listener handshake manager event listener
	 */
	void setHandshakeManagerListener(IHandshakeManagerListener listener);
	
	/**
	 * Gets the current handshake manager event listener
	 * @return implementation of handshake manager event listener or null
	 */	
	IHandshakeManagerListener getHandshakeManagerListener();
	
}
